JP2012099297A5

JP2012099297A5 -

Info

Publication number: JP2012099297A5
Application number: JP2010244950A
Authority: JP
Filing date: 2010-11-01
Publication date: 2013-05-30

Description

図１２Ｂに示すＬＥＤ素子１４１−２は、ＬＥＤチップ１４１ａを封止し、蛍光体を含有する透明封止材１４１ｅ−２が反射ケーシング１４１ｆにより囲まれており、上面から光線が出射する。
The LED element 141-2 shown in FIG. 12B seals the LED chip 141 a, a transparent sealing material 141 e-2 containing a phosphor is surrounded by a reflective casing 141 f, and light rays are emitted from the upper surface.

図１２Ｄに示すＬＥＤ素子１４１−４は、図１２Ｂに示すＬＥＤ素子１４１−２の変形であり、蛍光体を含有する透明封止材１４１ｅ−２の上面に凸レンズ１４１ｇを配置したものであり、凸レンズ１４１ｇの半球面から光線が出射する。
An LED element 141-4 shown in FIG. 12D is a modification of the LED element 141-2 shown in FIG. 12B, in which a convex lens 141g is arranged on the upper surface of a transparent sealing material 141e-2 containing a phosphor. A light ray is emitted from the hemispherical surface of 141 g.

図１２Ｅに示すＬＥＤ素子１４１−４ａは、図１２Ｂに示すＬＥＤ素子１４１−２の変形であり、蛍光体を含有する透明封止材１４１ｅ−２の上面に、Ｖ字形断面の円錐形表面を有する円錐形レンズ１４１ｈを配置したものであり、光線は円錐形表面で内部全反射し主として周側面から光線が出射する。
An LED element 141-4a shown in FIG. 12E is a modification of the LED element 141-2 shown in FIG. 12B, and has a conical surface with a V-shaped cross section on the upper surface of a transparent sealing material 141e-2 containing a phosphor. A conical lens 141h is arranged, and the light rays are totally internally reflected at the conical surface and emitted mainly from the peripheral side surface.

図１２Ｇに示すＬＥＤ素子１４１−6は、ＬＥＤチップ１４１ａを封止し、蛍光体を含有する透明封止材が凸レンズ１４１ｋと、その上面にＶ字形断面の円錐形表面と傾斜側面を有する断面がＭ字形のレンズ１４１mからなる特殊レンズ状であり、主として傾斜側面と曲面から光線が出射する。
The LED element 141-6 shown in FIG. 12G has an LED chip 141a sealed, a transparent sealing material containing a phosphor has a convex lens 141k, and a cross section having a V-shaped conical surface and an inclined side surface on the upper surface thereof. It is a special lens shape consisting of an M-shaped lens 141m , and light rays are emitted mainly from inclined side surfaces and curved surfaces.

Claims

A heat conductive hollow member having an internal space consisting of a heat dissipating outer surface, a light reflecting inner surface and a plurality of windows;
Comprising a light emitting unit comprising at least one light emitting diode (LED) element;
The light emitting unit is disposed at a position where a radiation beam from the LED element enters the internal space, and is thermally coupled to the thermally conductive hollow member ,
Furthermore, the said window consists of a light-scattering window which has light-scattering property, The LED lamp.

The window includes a plurality of through holes (111) formed in the thermally conductive hollow member (110) and a light transmissive material (130-1a, 130-2a) arranged to fill the through holes (111). 130-3a), and
a) a light scattering transmission window (130-1) in which a light scattering filler (130-1b) is mixed in the light transmission material (130-1a);
b) a light transmissive window (130-2) in which a scattering transmissive layer (130-2b) in which the light scatterer filler (130-1b) is mixed is formed on the outer surface of the light transmissive material (130-2a); and
c) LED lamp according to claim 1, selected from a light scattering transparent window (130-3) having a rough surface (130-3b) formed on the outer surface of the light transmissive material (130-3a) .

The window corresponds to a plurality of through holes (211) formed in the thermally conductive hollow member (210) and at least the through hole (211), and is in close proximity to and in contact with the inner surface of the thermally conductive hollow member (210). A light transmissive hollow member (230) arranged in the form of
A light-scattering and transmitting window comprising a light-scattering layer (240a or 240b) or a rough surface (240c) formed in a region of the light-transmitting hollow member (230) corresponding to the through-hole (211). Item 2. An LED lamp according to item 1 .

The LED lamp according to any one of claims 1 to 3, wherein the window having light scattering property further comprises a light scattering and heat conductive window having heat conductivity .

5. The LED lamp according to claim 1, wherein the window includes a light scattering and heat conductive window including a heat conductive filler having high heat conductivity in a light transmissive material .

5. The window according to claim 1, wherein the window comprises a light-scattering and heat-conducting window containing a light-transmitting material containing a highly heat-conductive filler having a thermal conductivity at least several times higher than that of silica or glass. An LED lamp according to the above.

The thermally conductive hollow member includes a circular cylindrical member (110), a polygonal cylindrical member (811), a funnel-shaped member (810), a dome-shaped hemispherical member (120-5), and an inverted dome-shaped hemispherical shape. LED lamp according to any of claims 1 to 4 , selected from members (120-5) and spherical members (812) .

The light emitting unit is a circuit board on which the light emitting diode (LED) element is mounted,
Furthermore, a heat conduction member disposed in thermal coupling with the circuit board is provided,
The thermally conductive member is disposed in thermal coupling with the thermally conductive hollow member;
5. The LED lamp according to claim 1, wherein the circuit board is thermally coupled to the thermally conductive hollow member indirectly via the thermally conductive member .

The light emitting unit is a circuit board on which the light emitting diode (LED) element is mounted,
Using a thermally conductive circuit board as the circuit board,
The LED lamp according to any one of claims 1 to 4 , wherein the thermally conductive circuit board is disposed in direct thermal coupling with the thermally conductive hollow member.

The said light emitting unit is any one of the Claims 1 thru | or 4 arrange | positioned in the opening part of the end of the said heat conductive hollow member, or its vicinity so that the emitted light from the said LED element may inject into the said interior space. LED lamp according to claim 1.

Furthermore, a heat conductive member (812) covering an opening at one end of the heat conductive hollow member, and a heat conductive column (152) extending from the heat conductive member (812) to the internal space are provided,
5. The LED lamp according to claim 1 , wherein the light emitting unit is disposed in thermal coupling with an upper portion of the thermally conductive column .

Furthermore, a plurality of linear heat conductive members (157) extending radially from the light emitting unit to the heat conductive hollow member are provided,
The LED lamp according to claim 1, wherein the light emitting unit is disposed in the internal space .

The LED lamp according to any one of claims 1 to 4 , wherein an optical path conversion element is disposed in a region corresponding to the window .

5. The LED according to claim 1 , wherein an optical path conversion element is disposed in a region corresponding to the window on the inner surface of the thermally conductive hollow member, and the optical path conversion element is formed of a convex lens or a prism. lamp.

5. The LED lamp according to claim 1 , further comprising a light transmissive cover made of a light transmissive material disposed so as to cover an upper opening of the thermally conductive hollow member .

Furthermore, a heat conductive and light transmissive cover (120-5, 120-7) is provided which is arranged so as to cover the upper opening of the heat conductive hollow member and is made of a heat conductive member having a plurality of windows. The LED lamp according to any one of claims 1 to 4 .

The light transmitting cover or the thermally conductive and light-transmitting cover is substantially hemispherical, substantially spherical, substantially V-shaped, having a generally U-shaped, shape selected from a substantially flat plate-shaped, claims 1 to claim 4 The LED lamp according to any one of the above.

Furthermore, the LED lamp in any one of Claim 1 thru | or 4 which provided the radiation fin or the radiation pin in the said heat conductive hollow member .

The LED lamp according to any one of claims 1 to 4 , wherein the plurality of windows have a shape selected from a circle, an ellipse, a rectangle, and a rectangle .

The plurality of windows or the through holes are arranged in parallel or staggered in the thermally conductive hollow member or the thermally conductive / light transmissive cover, according to any one of claims 1 to 4 . LED lamp.

The opening area of the plurality of the window or the through hole and, or distribution density is constant or variable in the thermally conductive hollow member and the thermally conductive and light-permeable covering different areas, according to claim 4 claims 1 The LED lamp according to any one of the above.

The aperture ratio of the plurality of the window or the through hole is constant or variable in the thermally conductive hollow member or different regions of the thermally conductive and light-permeable cover, claims 1 according to claim 4 LED lamp.

5. The LED lamp according to claim 1 , wherein the light-reflecting inner surface has specular reflection or scattering reflection .

The LED lamp according to any one of claims 1 to 23, a power supply terminal, and a lighting circuit that converts alternating current into direct current, wherein the LED lamp, the power supply terminal, and the lighting circuit are combined and integrated. LED bulb .

The said heat conductive hollow member used for the said LED lamp or the said LED bulb in any one of Claim 1 thru | or 24 .